Parametric studies of polyacrylamide adsorption on calcite using molecular dynamics simulation
File(s)
Published version
Author(s)
Hue, Keat Yung
Lew, Jin Hau
Matar, omar
Luckham, paul
Muller, Erich
Type
Journal Article
Abstract
This study investigates the efficacy of polyacrylamide-based polymers, specifically hydrolysed polyacrylamide (HPAM), in reducing solids production within carbonate reservoirs. Building on our earlier simulation approach, molecular simulations were conducted to examine how these polymers adsorb onto calcite, the main mineral found in carbonate formations. The adsorption process was affected by several factors, including polymer molecular weight, charge density, temperature, and salinity. Generally, increased molecular weight, charge density, and temperature resulted in higher adsorption rates. The effect of salinity was more nuanced, as salt-bridging and charge-screening effects created competing influences. The simulation outcomes correspond closely with experimental results, offering valuable insights for designing and optimizing polymer-based strategies aimed at controlling solids production in carbonate reservoirs.
Date Issued
2025-01-13
Date Acceptance
2025-01-01
Citation
Molecules, 2025, 30 (2)
ISSN
1420-3049
Publisher
MDPI AG
Journal / Book Title
Molecules
Volume
30
Issue
2
Copyright Statement
© 2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
License URL
Sponsor
Petronas Research Sdn. Bhd.
Grant Number
N/A
Subjects
0304 Medicinal and Biomolecular Chemistry
0305 Organic Chemistry
0307 Theoretical and Computational Chemistry
Organic Chemistry
Publication Status
Published
Article Number
ARTN 285
Date Publish Online
2025-01-13